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双折射材料的温度修正 Birefringent Material Temperature Modification kYtHX~@ Zly-\z_ 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: D+hB[*7Fs *+W6 P.K 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline @ AggznA8 bN!u}DnN 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline
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Gf 3.Loop over the baseline material samples and determine the number of wavelength entries #~*XDWvIS~ 1W0.Ufl) 4.Loop over each sampled wavelength entry in the baseline material FdM<;}6T uZ<%kV1B a.Modify the ordinary and extraordinary refractive index values using (2) above 9nO(xJ"e4 r
hZQQOQ b.Apply the modified values to the non-baseline material F'ENq6 ~K%k
0kT 5.Set a description on the non-baseline material indicating the temperature change from baseline *@~`d*d a>?p.!BM 脚本编程及GUI例程请下载链接: >F~ITk5`Oo ;9vIa7L& http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Vp\80D& 3Cd<p[%3#, http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd iA&oLu[y3 +#9xA6,AE niQ+EAD QQ:2987619807 bu_/R~&3{
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